Understanding the real lives of the poor is the first step toward designing effective policies to help them.
写作是一种探索,不仅探索世界,也探索自我。
唯一的出路就是穿过去。
朗兰兹纲领证明了抽象思维在数学中的力量。
The stock market is unpredictable in the short term, but predictable in the long term.